CN103095521B - The control method of flow detection, system, device, controller and checkout equipment - Google Patents
The control method of flow detection, system, device, controller and checkout equipment Download PDFInfo
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- CN103095521B CN103095521B CN201210551811.1A CN201210551811A CN103095521B CN 103095521 B CN103095521 B CN 103095521B CN 201210551811 A CN201210551811 A CN 201210551811A CN 103095521 B CN103095521 B CN 103095521B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0894—Policy-based network configuration management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/34—Signalling channels for network management communication
- H04L41/342—Signalling channels for network management communication between virtual entities, e.g. orchestrators, SDN or NFV entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/02—Capturing of monitoring data
- H04L43/026—Capturing of monitoring data using flow identification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/12—Network monitoring probes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/20—Arrangements for monitoring or testing data switching networks the monitoring system or the monitored elements being virtualised, abstracted or software-defined entities, e.g. SDN or NFV
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
Abstract
The invention discloses the control method of flow detection, system, device, controller and checkout equipment, described method comprises: controller obtains the flow identifier of the flow that each flow detection module will detect in network; The flow that described controller will detect according to the described each flow detection module of load balancing adjustment arranged; Described controller issues detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect.The present invention is due to the multiple flow detection module of distributed deployment in network, therefore when the switching equipment quantity comprised in network is more, load balancing can be carried out to the detection of the flow transmitted between these switching equipment, make the flow transmitted in the equal as far as possible subnetwork of each flow detection module, reduce the quantity of the flow that single flow detection module will detect, in guarantee network, flow detection normally carries out.
Description
Technical field
The present invention relates to network communication technology field, particularly the control method of flow detection, system, device, controller and checkout equipment.
Background technology
In traditional network architecture, usually comprise some route exchange devices, each route exchange device can connect some main process equipments, and all route exchange devices are all direct or indirect to be connected with gateway device, is connected with external network by gateway device.Flow detection device can be disposed at the critical path place of network in prior art.Such as, for a local area network (LAN) or company's net, usually at the access path deploy flow detection device of gateway device and external network, the overall flow of local area network (LAN) or company's net can be detected with this.But, only can the overall flow of Sampling network owing to disposing flow detection device at the critical path place of network, the flow be difficult to transmitting between network internal switching equipment detects, therefore existing a kind of mode is for dispose a flow detection device in network internal, all switching equipment are all connected with this flow detection device, are detected the flow transmitted between network internal switching equipment by this flow detection device.
Inventor is finding the research process of prior art, although dispose in network internal the flow that a flow detection device can transmit between Sampling network inner exchanging equipment, but when network internal switching equipment quantity is more, this flow detection device needs the flow number of detection very large, thus cause this flow detection device load imbalance, machine of easily delaying.
Summary of the invention
Provide the control method of flow detection, system, device, controller and checkout equipment in the embodiment of the present invention, to solve flow detection load imbalance in prior art, the flow detection device in network is easily delayed the problem of machine.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
First aspect, provides a kind of control method of flow detection, and described method is applied in the network comprising multiple flow detection module, and described method comprises:
Controller obtains the flow identifier of the flow that each flow detection module will detect in described network, described each flow detection module at least one switching equipment corresponding;
The flow that described controller will detect according to the described each flow detection module of load balancing adjustment arranged;
Described controller issues detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect.
In conjunction with first aspect, in the first possible implementation of first aspect, the flow identifier that described controller obtains the flow that each flow detection module will detect in described network comprises:
The traffic forwarding rule of preservation searched by described controller, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, and described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address;
From described traffic forwarding rule, obtain the flow identifier of flow corresponding to the device identification of same switching equipment, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
In conjunction with first aspect, or the first possible implementation of first aspect, in the implementation that the second of first aspect is possible, the flow that described controller will detect according to the described each flow detection module of load balancing adjustment arranged is specially: described controller calls weighted average strategy and adjusts the flow that described each flow detection module will detect, consistent with the flow quantity making each flow detection module after adjustment detect.
Second aspect, provides a kind of control method of flow detection, and described method is applied in each flow detection module in the network comprising multiple flow detection module, each described flow detection module at least one switching equipment corresponding, and described method comprises:
Flow detection module receives the detection instruction that the controller in described network issues, described controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in described network, the flow identifier of the flow that will detect according to the described flow detection module after the load balancing adjustment arranged in described detection instruction;
The described flow detection module flow corresponding to the flow identifier comprised in described detection instruction detects.
In conjunction with second aspect, in the first possible implementation of second aspect,
Described flow detection module installation is on the switching equipment of correspondence; Or,
Described flow detection module installation is on the checkout equipment connected with described corresponding switching equipment.
The third aspect, provides a kind of control system of flow detection, and described system comprises: controller, multiple switching equipment and multiple flow detection module, wherein each flow detection module at least one switching equipment corresponding;
Each described switching equipment, for forwarding the flow in network;
Described controller, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, according to the flow that the described each flow detection module of load balancing adjustment arranged will detect, and issue detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect;
Each described flow detection module, the flow that the flow identifier for comprising in the detection instruction that issues described controller is corresponding detects.
In conjunction with the third aspect, in the first possible implementation of the third aspect,
Described controller, specifically for searching the traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address, and the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
In conjunction with the third aspect, or the first possible implementation of the third aspect, in the implementation that the second of the third aspect is possible,
Described flow detection module installation is on the switching equipment of correspondence; Or,
Described flow detection module installation is on the checkout equipment connected with described corresponding switching equipment.
Fourth aspect, provides a kind of control device of flow detection, and described application of installation is in the network comprising multiple flow detection module, and described device comprises:
Acquiring unit, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, described each flow detection module at least one switching equipment corresponding;
Adjustment unit, for the flow that will detect according to the described each flow detection module of load balancing adjustment arranged;
Control unit, for issuing detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect.
In conjunction with fourth aspect, in the first possible implementation of fourth aspect,
Described acquiring unit comprises:
Rule searching subelement, for searching the traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, and described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address;
Mark obtains subelement, for the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
In conjunction with fourth aspect, or the first possible implementation of fourth aspect, in the implementation that the second of fourth aspect is possible,
Described adjustment unit, adjusts the flow that described each flow detection module will detect specifically for calling weighted average strategy, consistent with the flow quantity making each flow detection module after adjustment detect.
In conjunction with fourth aspect, or the first possible implementation of fourth aspect, or the implementation that the second of fourth aspect is possible, in the third possible implementation of fourth aspect,
Described control device is arranged on the controller in described network.
5th aspect, provides a kind of controller, and described controller is applied in the network comprising multiple flow detection module, and described controller comprises: bus, and by network interface, memory and processor that described bus connects, wherein,
Described network interface, for connecting the multiple switching equipment in described network, the wherein corresponding switching equipment described at least one of each flow detection module;
Described memory, for preserving the load balancing of setting;
Described processor, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, according to the flow that the described each flow detection module of described load balancing adjustment will detect, detection instruction is issued, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect to each flow detection module.
In conjunction with the 5th aspect, in the first the possible implementation in the 5th,
Described memory, also for preserving the traffic forwarding rule in described network;
Described processor, specifically for searching the described traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address, and the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
In conjunction with the 5th aspect, or the first possible implementation of the 5th aspect, in the implementation that the second in the 5th is possible,
Described memory, specifically for preserving the weighted average strategy arranged;
Described processor, adjusts the flow that described each flow detection module will detect specifically for calling weighted average strategy, consistent with the flow quantity making each flow detection module after adjustment detect.
6th aspect, provides a kind of flow detector, described application of installation in the network comprising multiple described flow detector, each described flow detector at least one switching equipment corresponding, described device comprises:
Receiving element, for the detection instruction that the controller received in described network issues, described controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in described network, the flow identifier of the flow that will detect according to the described flow detection module after the load balancing adjustment arranged in described detection instruction;
Detecting unit, detects for the flow corresponding to the flow identifier comprised in described detection instruction.
In conjunction with the 6th aspect, in the first the possible implementation in the 6th,
Described flow detector is arranged on corresponding switching equipment; Or,
Described flow detector is arranged on the checkout equipment that connects with described corresponding switching equipment.
7th aspect, provides a kind of checkout equipment, and described checkout equipment is applied in the network comprising multiple described checkout equipment, each described checkout equipment at least one switching equipment corresponding, described checkout equipment comprises: bus, and the network interface connected by described bus and processor, wherein
Described network interface, for connecting the controller in described network, and the switching equipment that described checkout equipment is corresponding;
Described processor, for receiving the detection instruction that described controller issues, described controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in described network in described detection instruction, the flow identifier of the flow that will detect according to the described flow detection module after the load balancing adjustment arranged, and the flow corresponding to the flow identifier comprised in described detection instruction detects.
In the embodiment of the present invention, controller obtains the flow identifier of the flow that each flow detection module will detect in network, according to the flow that the described each flow detection module of load balancing adjustment arranged will detect, and issue detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in this detection instruction will detect.In the embodiment of the present invention, due to the multiple flow detection module of distributed deployment in network, therefore when the switching equipment quantity comprised in network is more, load balancing can be carried out to the detection of the flow transmitted between these switching equipment, make the flow transmitted in the equal as far as possible subnetwork of each flow detection module, reduce the quantity of the flow that single flow detection module will detect, in guarantee network, flow detection normally carries out.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is an embodiment flow chart of the control method that inventive flow detects;
Fig. 2 is another embodiment flow chart of the control method that inventive flow detects;
The network architecture schematic diagram that Fig. 3 applies for the embodiment of the present invention;
Fig. 4 is the embodiment block diagram of the control system that inventive flow detects;
Fig. 5 is the embodiment block diagram of the control device that inventive flow detects;
Fig. 6 is the embodiment block diagram of controller of the present invention;
Fig. 7 is the embodiment block diagram of inventive flow checkout gear;
Fig. 8 is the embodiment block diagram of checkout equipment of the present invention.
Embodiment
The following embodiment of the present invention provides the control method of flow detection, system, device, controller and checkout equipment.
Technical scheme in the embodiment of the present invention is understood better in order to make those skilled in the art person, and enable the above-mentioned purpose of the embodiment of the present invention, feature and advantage become apparent more, below in conjunction with accompanying drawing, technical scheme in the embodiment of the present invention is described in further detail.
The following embodiment of the present invention can be applied in programmable software defined network (SoftwareDefinedNetwork, SDN) in, the control plane of the network equipment is separated with data retransmission plane by SDN, thus can control flexibly network traffics.Wherein the function of control plane is realized by controller (Controller), primary responsibility sending flow rate forwarding strategy, and controller also has and detects to network traffics the function controlled in embodiments of the present invention; The function of data retransmission plane is realized by switch (Switch is called for short SW), is mainly used in the forwarding strategy that reception controller issues, and forwards flow according to this forwarding strategy.Usually in a SDN, controller is connected with each switch respectively, by being interconnected the forwarding realizing flow between switch.In the embodiment of the present invention, multiple flow detection module can be disposed in SDN, each flow detection model calling switch, the network traffics that may be used for flowing through this switch detect, this flow detection module can be integrated in switch, also can be arranged in the equipment independent of switch, such as, fire compartment wall (Firewall can be arranged on, FW) equipment, intrusion prevention system (IntrusionPreventionSystem, IPS) equipment, or intruding detection system (IntrusionDetectionSystems, IDS) in equipment etc., now this equipment is connected with corresponding switch.
See Fig. 1, be an embodiment flow chart of the control method that inventive flow detects, this embodiment describes the control procedure of flow detection from the controller side network:
Step 101: controller obtains the flow identifier of the flow that each flow detection module will detect in network.
In the present embodiment, described each flow detection module at least one switching equipment corresponding;
Wherein, controller is connected with each switching equipment, this controller saves the traffic forwarding rule of all flows in network, flow identifier and the transmission path of each flow is comprised in this traffic forwarding rule, wherein, flow identifier can comprise source address and the destination address of flow, and transmission path can comprise the device identification of the switching equipment of process when flow is transferred to destination address from source address.When controller will obtain the flow identifier of the flow that each flow detection module will detect in network, the traffic forwarding rule of preservation can be searched, from traffic forwarding rule, obtain the flow identifier of flow corresponding to the device identification of same switching equipment, flow corresponding for the device identification of same switching equipment is defined as the flow that the flow detection module corresponding to this switching equipment will detect.
Step 102: controller adjusts according to the load balancing arranged the flow that each flow detection module will detect.
In the present embodiment, controller can call weighted average strategy and adjust the flow that each flow detection module will detect, consistent with the flow quantity making each flow detection module after adjustment detect.It should be noted that, the embodiment of the present invention can adopt arbitrary load balance policy of the prior art, as long as can balance by load balancing the flow that each flow detection module will detect, does not limit this embodiment of the present invention.
Step 103: controller issues detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in this detection instruction will detect.
Because the flow flowing through each switching equipment in original network is different, therefore the network traffics detection module quantity of flow that will detect is also different, the special flow switching equipment of at least two on transmission path being all provided with to flow detection module, can realize only being detected this flow by one of them flow detection module by load balancing.
As seen from the above-described embodiment, due to the multiple flow detection module of distributed deployment in network, therefore when the switching equipment quantity comprised in network is more, load balancing can be carried out to the detection of the flow transmitted between these switching equipment, make the flow transmitted in the equal as far as possible subnetwork of each flow detection module, reduce the quantity of the flow that single flow detection module will detect, in guarantee network, flow detection normally carries out.
See Fig. 2, be another embodiment flow chart of the control method that inventive flow detects, this embodiment describes the control procedure of flow detection from any one the flow detection module side network:
Step 201: flow detection module receives the detection instruction that the controller in network issues, controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in network, the flow identifier of the flow that will detect according to this flow detection module after the load balancing adjustment arranged in this detection instruction.
In the present embodiment, flow detection module can be arranged on corresponding switching equipment, or flow detection module also can be arranged on the checkout equipment that connects with corresponding switching equipment.
In the present embodiment, because each controller connects multiple flow detection module, therefore after load balancing is carried out in the detection of controller to all flows in network, issue detection instruction to each flow detection module, in this detection instruction, only can comprise the flow identifier of the flow that this flow detection module will detect; Or also can comprise the flow identifier of the flow that each flow detection module in all flow detection modules will detect in this detection instruction, any one flow detection module therefrom can get the flow identifier of the flow that will detect according to the module id of self.
Step 202: the flow detection module flow corresponding to the flow identifier comprised in described detection instruction detects.
After flow detection module receives detection instruction, can upgrade with the flow identifier comprised in this detection instruction the flow identifier that original this flow detection module of preserving search the flow that will detect, thus according to the flow identifier after upgrading, flow be detected.
As seen from the above-described embodiment, due to the multiple flow detection module of distributed deployment in network, therefore when the switching equipment quantity comprised in network is more, load balancing can be carried out to the detection of the flow transmitted between these switching equipment, make the flow transmitted in the equal as far as possible subnetwork of each flow detection module, reduce the quantity of the flow that single flow detection module will detect, in guarantee network, flow detection normally carries out.
See Fig. 3, it is the network architecture schematic diagram that preceding method embodiment of the present invention is applied;
The network architecture in Fig. 3 can be specially the framework based on SDN, as a kind of example, this network architecture is divided into internal network and external network, wherein internal network comprises a controller, three switches, be respectively SW1, SW2 and SW3, and three flow detection modules, be respectively the flow detection module 1 of corresponding SW1, the corresponding flow detection module 2 of SW2 and the flow detection module 3 of corresponding SW3, above-mentioned controller and three switches are all connected with gateway GW, can connect external network Network by gateway GW.Wherein, each switch connects two main process equipments, comprise SW1 connect main process equipment A and main process equipment 1, SW2 connect main process equipment B and main process equipment 2, and SW3 connect main process equipment C and main process equipment 3.Wherein, be interconnected between controller and each switch, the flow detection module of each switch also can communicate with controller respectively, wherein the function of the flow detection module of each switch can be integrated in switch, also can be arranged in the checkout equipment be connected with switch, each switch configuration checkout equipment can be thought, this embodiment of the present invention is not limited.
Below in conjunction with the network architecture shown in Fig. 3, the control procedure of the flow detection described in the embodiment of the present invention is described:
First controller can obtain flow identifier and the transmission path of each flow from the traffic forwarding rule of preserving, and obtains the flow detection module detecting each flow accordingly, and result is as shown in table 1 below:
Table 1
| Flow identifier | Transmission path | Flow detection module |
| A<->N | SW1，GW | Flow detection module 1 |
| A<->1 | SW1 | Flow detection module 1 |
| A<->C | SW1，SW3 | Flow detection module 1, flow detection module 3 |
| B<->N | SW2，GW | Flow detection module 2 |
| B<->2 | SW2 | Flow detection module 2 |
| B<->1 | SW2，SW1 | Flow detection module 2, flow detection module 1 |
| C<->N | SW3，GW | Flow detection module 3 |
| C<->3 | SW3 | Flow detection module 3 |
| 2<->3 | SW2，SW3 | Flow detection module 2, flow detection module 3 |
In upper table 1, flow identifier is for A<->N, and wherein " A " represents the address as the host A of source address, and " N " represents the address as the Network of destination address; Transmission path with " SW1; GW " for example, represent that flow " A<->N " needs through switching equipment SW1 and GW in the process being transferred to Network from host A, wherein owing to being provided with flow detection module 1 for SW1, therefore, before carrying out load balancing to flow detection, flow " A<->N " is detected by flow detection module 1.
Known according to upper table 1, before load balancing, flow detection module 1 is original needs the flow detected to be A<->N, A<->1, A<->C and B<->1, flow detection module 2 is original needs the flow detected to be B<->N, B<->2, B<->1 and 2<->3, flow detection module 3 is original needs the flow detected to be A<->C, C<->N, C<->3 and 2<->3.Be not limited to concrete which kind of strategy that adopts in the embodiment of the present invention and load balancing is carried out to the detection of flow, therefore in an optional strategy example, suppose to adopt weighted average strategy to carry out load balancing to above-mentioned flow, then can obtain following load balancing result: detect flow A<->N by flow detection module 1, A<->1 and A<->C, flow B<->N is detected by flow detection module 2, B<->2, B<->1, flow C<->N is detected by flow detection module 3, C<->3 and 2<->3.
Controller is after executing above-mentioned load balancing, can ensure that each flow detection module detects three flows, this Time Controller issues to flow detection module 1 and comprises flow identifier A<->N, the detection instruction of A<->1 and A<->C, issue to flow detection module 2 and comprise flow identifier B<->N, B<->2, the detection instruction of B<->1, co-current flow amount detection module 3 issues and comprises flow identifier C<->N, the detection instruction of C<->3 and 2<->3.For flow detection module 1, it is only A<->N to flow identifier, the flow of A<->1 and A<->C detects, and no longer detects the flow that flow identifier is B<->1.
As seen from the above-described embodiment, due to the multiple flow detection module of distributed deployment in network, therefore when the switching equipment quantity comprised in network is more, load balancing can be carried out to the detection of the flow transmitted between these switching equipment, make the flow transmitted in the equal as far as possible subnetwork of each flow detection module, reduce the quantity of the flow that single flow detection module will detect, in guarantee network, flow detection normally carries out.
Corresponding with the embodiment of the control method that inventive flow detects, present invention also offers the embodiment of the control system of flow detection, device, controller and checkout equipment.
See Fig. 4, the embodiment block diagram for the control system that inventive flow detects:
This system comprises: controller 410, multiple switching equipment 420 and multiple flow detection module 430, and wherein each flow detection module can at least one switching equipment corresponding.In order to example is convenient in Fig. 4, show three switching equipment, and be provided with flow detection module in each switching equipment.It should be noted that, each flow detection module also can be arranged on independent of switching equipment, and on the checkout equipment be connected with this switching equipment, does not limit this embodiment of the present invention.
Wherein, each described switching equipment 420, for forwarding the flow in network;
Described controller 410, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, according to the flow that the described each flow detection module of load balancing adjustment arranged will detect, and issue detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect;
Each described flow detection module 430, the flow that the flow identifier for comprising in the detection instruction that issues described controller is corresponding detects.
Optionally, described controller 410, can specifically for searching the traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address, and the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
See Fig. 5, be the embodiment block diagram of the control device that inventive flow detects, this device can be applied in the system shown in earlier figures 4, such as, is arranged on the controller in the network shown in earlier figures 4:
This control device comprises: acquiring unit 510, adjustment unit 520 and control unit 530.
Wherein, acquiring unit 510, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, described each flow detection module at least one switching equipment corresponding;
Adjustment unit 520, for the flow that will detect according to the described each flow detection module of load balancing adjustment arranged;
Control unit 530, for issuing detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect.
Optionally, described acquiring unit 510 can comprise (not shown in Fig. 5):
Rule searching subelement, for searching the traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, and described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address;
Mark obtains subelement, for the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
Optionally, described adjustment unit 520, can adjust the flow that described each flow detection module will detect specifically for calling weighted average strategy, consistent with the flow quantity making each flow detection module after adjustment detect.
See Fig. 6, be the embodiment block diagram of controller of the present invention, this controller can be applied in and comprise in the network of multiple flow detection module shown in earlier figures 4:
This controller comprises: bus 610, and by network interface 620, memory 630 and processor 640 that described bus 610 connects.
Wherein, described network interface 620, for connecting the multiple switching equipment in described network, the wherein corresponding switching equipment described at least one of each flow detection module;
Described memory 630, for preserving the load balancing of setting;
Described processor 640, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, according to the flow that the described each flow detection module of described load balancing adjustment will detect, detection instruction is issued, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect to each flow detection module.
Optionally, described memory 630, can also be used for the traffic forwarding rule of preserving in described network;
Described processor 640, can specifically for searching the described traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address, and the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
Optionally, described memory 630, can specifically for preserving the weighted average strategy arranged;
Described processor 640, can adjust the flow that described each flow detection module will detect specifically for calling weighted average strategy, consistent with the flow quantity making each flow detection module after adjustment detect.
See Fig. 7, for the embodiment block diagram of inventive flow checkout gear, this flow detector can be applied in the system as shown in earlier figures 4, this flow detector has the function of flow detection module, can be arranged at least one corresponding switching equipment, also can be arranged on independent of switching equipment, and on the checkout equipment be connected with this switching equipment:
This flow detector comprises: receiving element 710 and detecting unit 720.
Wherein, receiving element 710, for the detection instruction that the controller received in described network issues, described controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in described network, the flow identifier of the flow that will detect according to the described flow detection module after the load balancing adjustment arranged in described detection instruction;
Detecting unit 720, detects for the flow corresponding to the flow identifier comprised in described detection instruction.
See Fig. 8, for the embodiment block diagram of checkout equipment of the present invention, this flow detector can be applied in the system as shown in earlier figures 4, the function of flow detection module is comprised in this checkout equipment, this checkout equipment can at least one switching equipment corresponding, and is connected with at least one switching equipment described:
This checkout equipment comprises: bus 810, and the network interface 820 connected by described bus 810 and processor 830.
Wherein, described network interface 820, for connecting the controller in described network, and the switching equipment that described checkout equipment is corresponding;
Described processor 830, for receiving the detection instruction that described controller issues, described controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in described network in described detection instruction, the flow identifier of the flow that will detect according to the described flow detection module after the load balancing adjustment arranged, and the flow corresponding to the flow identifier comprised in described detection instruction detects.
As seen from the above-described embodiment, controller obtains the flow identifier of the flow that each flow detection module will detect in network, according to the flow that the described each flow detection module of load balancing adjustment arranged will detect, and issue detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in this detection instruction will detect.In the embodiment of the present invention, due to the multiple flow detection module of distributed deployment in network, therefore when the switching equipment quantity comprised in network is more, load balancing can be carried out to the detection of the flow transmitted between these switching equipment, make the flow transmitted in the equal as far as possible subnetwork of each flow detection module, reduce the quantity of the flow that single flow detection module will detect, in guarantee network, flow detection normally carries out.
Those skilled in the art can be well understood to the mode that technology in the embodiment of the present invention can add required general hardware platform by software and realize.Based on such understanding, technical scheme in the embodiment of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a control method for flow detection, is characterized in that, described method is applied in the network comprising multiple flow detection module, and described method comprises:
Controller obtains the flow identifier of the flow that each flow detection module will detect in described network, described each flow detection module at least one switching equipment corresponding;
The flow that described controller will detect according to the described each flow detection module of load balancing adjustment arranged;
Described controller issues detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect;
Wherein, the flow identifier that described controller obtains the flow that each flow detection module will detect in described network comprises:
The traffic forwarding rule of preservation searched by described controller, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, and described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address;
From described traffic forwarding rule, obtain the flow identifier of flow corresponding to the device identification of same switching equipment, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
2. method according to claim 1, it is characterized in that, the flow that described controller will detect according to the described each flow detection module of load balancing adjustment arranged is specially: described controller calls weighted average strategy and adjusts the flow that described each flow detection module will detect, consistent with the flow quantity making each flow detection module after adjustment detect.
3. a control system for flow detection, is characterized in that, described system comprises: controller, multiple switching equipment and multiple flow detection module, wherein each flow detection module at least one switching equipment corresponding;
Each described switching equipment, for forwarding the flow in network;
Described controller, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, according to the flow that the described each flow detection module of load balancing adjustment arranged will detect, and issue detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect;
Each described flow detection module, the flow that the flow identifier for comprising in the detection instruction that issues described controller is corresponding detects;
Wherein, described controller, specifically for searching the traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address, and the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
4. system according to claim 3, is characterized in that,
Described flow detection module installation is on the switching equipment of correspondence; Or,
Described flow detection module installation is on the checkout equipment connected with described corresponding switching equipment.
5. a control device for flow detection, is characterized in that, described application of installation is in the network comprising multiple flow detection module, and described device comprises:
Acquiring unit, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, described each flow detection module at least one switching equipment corresponding;
Adjustment unit, for the flow that will detect according to the described each flow detection module of load balancing adjustment arranged;
Control unit, for issuing detection instruction to each flow detection module, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect;
Wherein, described acquiring unit comprises:
Rule searching subelement, for searching the traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, and described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address;
Mark obtains subelement, for the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
6. device according to claim 5, is characterized in that,
Described adjustment unit, adjusts the flow that described each flow detection module will detect specifically for calling weighted average strategy, consistent with the flow quantity making each flow detection module after adjustment detect.
7. the device according to claim 5 or 6 any one, it is characterized in that, described control device is arranged on the controller in described network.
8. a controller, is characterized in that, described controller is applied in the network comprising multiple flow detection module, and described controller comprises: bus, and by network interface, memory and processor that described bus connects, wherein,
Described network interface, for connecting the multiple switching equipment in described network, the wherein corresponding switching equipment described at least one of each flow detection module;
Described memory, for preserving the load balancing of setting;
Described processor, for obtaining the flow identifier of the flow that each flow detection module will detect in described network, according to the flow that the described each flow detection module of described load balancing adjustment will detect, detection instruction is issued, the flow identifier of the flow that each flow detection module after comprising adjustment in described detection instruction will detect to each flow detection module; Wherein,
Described memory, also for preserving the traffic forwarding rule in described network;
Described processor, specifically for searching the described traffic forwarding rule of preservation, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address, and the flow identifier of flow corresponding to the device identification obtaining same switching equipment from described traffic forwarding rule, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
9. controller according to claim 8, is characterized in that,
Described memory, specifically for preserving the weighted average strategy arranged;
Described processor, adjusts the flow that described each flow detection module will detect specifically for calling weighted average strategy, consistent with the flow quantity making each flow detection module after adjustment detect.
10. a flow detector, it is characterized in that, described application of installation in the network comprising multiple described flow detector, each described flow detector at least one switching equipment corresponding, described flow detector has the function of flow detection module, and described device comprises:
Receiving element, for the detection instruction that the controller received in described network issues, described controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in described network, the flow identifier of the flow that will detect according to the described flow detection module after the load balancing adjustment arranged in described detection instruction; Wherein, the flow identifier that described controller obtains the flow that each flow detection module will detect in described network is specially: the traffic forwarding rule of preservation searched by described controller, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, and described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address; From described traffic forwarding rule, obtain the flow identifier of flow corresponding to the device identification of same switching equipment, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect;
Detecting unit, detects for the flow corresponding to the flow identifier comprised in described detection instruction.
11. devices according to claim 10, is characterized in that,
Described flow detector is arranged on corresponding switching equipment; Or,
Described flow detector is arranged on the checkout equipment that connects with described corresponding switching equipment.
12. 1 kinds of checkout equipments, it is characterized in that, the function of flow detection module is comprised in described checkout equipment, described checkout equipment is applied in the network comprising multiple described checkout equipment, each described checkout equipment at least one switching equipment corresponding, described checkout equipment comprises: bus, and the network interface connected by described bus and processor, wherein
Described network interface, for connecting the controller in described network, and the switching equipment that described checkout equipment is corresponding;
Described processor, for receiving the detection instruction that described controller issues, described controller is comprised after the flow identifier obtaining the flow that each flow detection module will detect in described network in described detection instruction, the flow identifier of the flow that will detect according to the described flow detection module after the load balancing adjustment arranged, and the flow corresponding to the flow identifier comprised in described detection instruction detects;
Wherein, described controller obtains the flow identifier of the flow that each flow detection module will detect in described network, be specially: the traffic forwarding rule of preservation searched by described controller, flow identifier and the transmission path of each flow is comprised in described traffic forwarding rule, wherein, described flow identifier comprises source address and the destination address of described flow, and described transmission path comprises the device identification of the switching equipment of process when described flow is transferred to described destination address from described source address; From described traffic forwarding rule, obtain the flow identifier of flow corresponding to the device identification of same switching equipment, flow corresponding for the device identification of described same switching equipment is defined as the flow that the flow detection module corresponding to described switching equipment will detect.
Priority Applications (7)
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| CN201210551811.1A CN103095521B (en) | 2012-12-18 | 2012-12-18 | The control method of flow detection, system, device, controller and checkout equipment |
| KR1020157014013A KR101623397B1 (en) | 2012-12-18 | 2013-12-18 | Method, system and apparatus for controlling flow detection, controller and detection device |
| PCT/CN2013/089750 WO2014094610A1 (en) | 2012-12-18 | 2013-12-18 | Method, system, device, controller, and measurement device for controlling traffic measurement |
| ES13864831T ES2725331T3 (en) | 2012-12-18 | 2013-12-18 | Method, system, device, controller and measuring device to control traffic measurement |
| JP2015544344A JP6002853B2 (en) | 2012-12-18 | 2013-12-18 | Method, system and apparatus for controlling flow detection, controller and detection device |
| EP13864831.6A EP2908470B1 (en) | 2012-12-18 | 2013-12-18 | Method, system, device, controller, and measurement device for controlling traffic measurement |
| US14/711,096 US10367740B2 (en) | 2012-12-18 | 2015-05-13 | Method, system and apparatus for controlling flow detection, controller and detection device |
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| CN201210551811.1A CN103095521B (en) | 2012-12-18 | 2012-12-18 | The control method of flow detection, system, device, controller and checkout equipment |
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| EP2908470A4 (en) | 2015-11-11 |
| EP2908470A1 (en) | 2015-08-19 |
| JP2015535672A (en) | 2015-12-14 |
| US10367740B2 (en) | 2019-07-30 |
| JP6002853B2 (en) | 2016-10-05 |
| WO2014094610A1 (en) | 2014-06-26 |
| EP2908470B1 (en) | 2019-03-06 |
| ES2725331T3 (en) | 2019-09-23 |
| US20150249608A1 (en) | 2015-09-03 |
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| CN103095521A (en) | 2013-05-08 |
| KR20150079873A (en) | 2015-07-08 |
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